Finding the Fourth Proportional to 1,780,236.40, 2,456,716.14 and 964,456
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Solution
The fourth proportional to 1,780,236.40, 2,456,716.14 and 964,456 is: 1,330,943.81
Step by Step Solution
- Step 1: Write the proportion equation
1,780,236.40 : 2,456,716.14 = 964,456 : x - Step 2: Convert to fraction form
1,780,236.40/2,456,716.14 = 964,456/x - Step 3: Cross multiply
1,780,236.40x = 2,456,716.14 × 964,456 - Step 4: Simplify right side
1,780,236.40x = 2,369,394,621,519.84 - Step 5: Solve for x
x = 2,369,394,621,519.84/1,780,236.40 - Step 6: Final answer
x = 1,330,943.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.